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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.221 by pippijn, Fri Mar 2 13:32:52 2007 UTC vs.
Revision 1.314 by root, Mon Jul 23 16:53:15 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
27	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
28		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		41
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	76	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	79	our $NEXT_TICK;
56	our $NOW;	80	our $NOW;
…		…
65	our $RUNTIME;	89	our $RUNTIME;
66		90
67	our %PLAYER; # all users	91	our %PLAYER; # all users
68	our %MAP; # all maps	92	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		94
76	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
79	binmode STDOUT;	102	binmode STDOUT;
80	binmode STDERR;	103	binmode STDERR;
81		104
82	# read virtual server time, if available	105	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
87	}	110	}
88		111
89	mkdir cf::localdir;	112	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		114
96	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
97		116
98	sub cf::map::normalise;	117	sub cf::map::normalise;
99		118
…		…
110	=item $cf::RUNTIME	129	=item $cf::RUNTIME
111		130
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	132	every server tick.
114		133
115	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		137
117	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
119		142
120	=item $cf::NOW	143	=item $cf::NOW
121		144
122	The time of the last (current) server tick.	145	The time of the last (current) server tick.
123		146
124	=item $cf::TICK	147	=item $cf::TICK
125		148
126	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
127		160
128	=item %cf::CFG	161	=item %cf::CFG
129		162
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	164	from wherever your confdir points to.
132		165
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		167
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
139		177
140	=back	178	=back
141		179
142	=cut	180	=cut
143		181
144	BEGIN {	182	BEGIN {
145	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	184	my $msg = join "", @_;
147	utf8::encode $msg;
148		185
149	$msg .= "\n"	186	$msg .= "\n"
150	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
151		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
152	LOG llevError, $msg;	192	LOG llevError, $msg;
153	};	193	};
154	}	194	}
155		195
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		203
163	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	205	# within the Safe compartment.
165	for my $pkg (qw(	206	for my $pkg (qw(
166	cf::global cf::attachable	207	cf::global cf::attachable
…		…
174	}	215	}
175		216
176	$Event::DIED = sub {	217	$Event::DIED = sub {
177	warn "error in event callback: @_";	218	warn "error in event callback: @_";
178	};	219	};
		220
		221	#############################################################################
179		222
180	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
181		224
182	=over 4	225	=over 4
183		226
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	246	$d
204	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
205	}	248	}
206		249
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
210		251
211	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
212		253
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
221		255
222	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
223		257
224	=cut	258	=cut
225		259
226	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
228	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
230		264
231	=item cf::lock_wait $string	265	=item cf::lock_wait $string
232		266
233	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
234		268
…		…
240	returned.	274	returned.
241		275
242	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
244		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
245	=cut	283	=cut
246		284
247	our %LOCK;	285	our %LOCK;
248		286
249	sub lock_wait($) {	287	sub lock_wait($) {
…		…
266		304
267	Coro::guard {	305	Coro::guard {
268	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
270	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
271	}	315	}
272		316
273	sub freeze_mainloop {	317	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
275		319
…		…
278	};	322	};
279	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
280	$guard	324	$guard
281	}	325	}
282		326
		327	=item cf::get_slot $time[, $priority]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	Useful for short background jobs.
		334
		335	=cut
		336
		337	our @SLOT_QUEUE;
		338	our $SLOT_QUEUE;
		339
		340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		341	$SLOT_QUEUE = Coro::async {
		342	my $signal = new Coro::Signal;
		343
		344	while () {
		345	next_job:
		346	my $avail = cf::till_tick;
		347	if ($avail > 0.01) {
		348	for (0 .. $#SLOT_QUEUE) {
		349	if ($SLOT_QUEUE[$_][0] < $avail) {
		350	my $job = splice @SLOT_QUEUE, $_, 1, ();
		351	$job->[2]->send;
		352	Coro::cede;
		353	goto next_job;
		354	}
		355	}
		356	}
		357
		358	if (@SLOT_QUEUE) {
		359	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		360	push @cf::WAIT_FOR_TICK, $signal;
		361	$signal->wait;
		362	} else {
		363	Coro::schedule;
		364	}
		365	}
		366	};
		367
		368	sub get_slot($;$) {
		369	my ($time, $pri) = @_;
		370
		371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];
		372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		373	$SLOT_QUEUE->ready;
		374	$sig->wait;
		375	}
		376
283	=item cf::async { BLOCK }	377	=item cf::async { BLOCK }
284		378
285	Currently the same as Coro::async_pool, meaning you cannot use	379	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	380	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	381	thing you are allowed to do is call C<prio> on it.
…		…
290		384
291	BEGIN { *async = \&Coro::async_pool }	385	BEGIN { *async = \&Coro::async_pool }
292		386
293	=item cf::sync_job { BLOCK }	387	=item cf::sync_job { BLOCK }
294		388
295	The design of crossfire+ requires that the main coro ($Coro::main) is	389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	390	is always able to handle events or runnable, as Crossfire TRT is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		392	acceptable.
298		393
299	If it must be done, put the blocking parts into C<sync_job>. This will run	394	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	395	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	396	server will be frozen during this time, so the block should either finish
302	fast or be very important.	397	fast or be very important.
…		…
305		400
306	sub sync_job(&) {	401	sub sync_job(&) {
307	my ($job) = @_;	402	my ($job) = @_;
308		403
309	if ($Coro::current == $Coro::main) {	404	if ($Coro::current == $Coro::main) {
		405	my $time = Event::time;
		406
310	# this is the main coro, too bad, we have to block	407	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	408	# till the operation succeeds, freezing the server :/
312		409
313	# TODO: use suspend/resume instead	410	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	411	# (but this is cancel-safe)
…		…
325		422
326	while ($busy) {	423	while ($busy) {
327	Coro::cede or Event::one_event;	424	Coro::cede or Event::one_event;
328	}	425	}
329		426
		427	$time = Event::time - $time;
		428
		429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		431
		432	$tick_start += $time; # do not account sync jobs to server load
		433
330	wantarray ? @res : $res[0]	434	wantarray ? @res : $res[0]
331	} else {	435	} else {
332	# we are in another coroutine, how wonderful, everything just works	436	# we are in another coroutine, how wonderful, everything just works
333		437
334	$job->()	438	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	457	$EXT_CORO{$coro+0} = $coro;
354		458
355	$coro	459	$coro
356	}	460	}
357		461
358	sub write_runtime {	462	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		463
361	my $runtime = cf::localdir . "/runtime";	464	Executes the given code block with the given arguments in a seperate
		465	process, returning the results. Everything must be serialisable with
		466	Coro::Storable. May, of course, block. Note that the executed sub may
		467	never block itself or use any form of Event handling.
362		468
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	469	=cut
364	or return;
365		470
366	my $value = $cf::RUNTIME + 90 + 10;	471	sub _store_scalar {
367	# 10 is the runtime save interval, for a monotonic clock	472	open my $fh, ">", \my $buf
368	# 60 allows for the watchdog to kill the server.	473	or die "fork_call: cannot open fh-to-buf in child : $!";
369		474	Storable::store_fd $_[0], $fh;
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
371	and return;
372
373	# always fsync - this file is important
374	aio_fsync $fh
375	and return;
376
377	close $fh	475	close $fh;
378	or return;
379		476
380	aio_rename "$runtime~", $runtime	477	$buf
381	and return;	478	}
382		479
		480	sub fork_call(&@) {
		481	my ($cb, @args) = @_;
		482
		483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		484	# or die "socketpair: $!";
		485	pipe my $fh1, my $fh2
		486	or die "pipe: $!";
		487
		488	if (my $pid = fork) {
		489	close $fh2;
		490
		491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		492	warn "pst<$res>" unless $res =~ /^pst/;
		493	$res = Coro::Storable::thaw $res;
		494
		495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		496
		497	Carp::confess $$res unless "ARRAY" eq ref $res;
		498
		499	return wantarray ? @$res : $res->[-1];
		500	} else {
		501	reset_signals;
		502	local $SIG{__WARN__};
		503	local $SIG{__DIE__};
		504	# just in case, this hack effectively disables event
		505	# in the child. cleaner and slower would be canceling all watchers,
		506	# but this works for the time being.
		507	local $Coro::idle;
		508	$Coro::current->prio (Coro::PRIO_MAX);
		509
		510	eval {
		511	close $fh1;
		512
		513	my @res = eval { $cb->(@args) };
		514
		515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		516	close $fh2;
		517	};
		518
		519	warn $@ if $@;
		520	_exit 0;
383	1	521	}
		522	}
		523
		524	=item $value = cf::db_get $family => $key
		525
		526	Returns a single value from the environment database.
		527
		528	=item cf::db_put $family => $key => $value
		529
		530	Stores the given C<$value> in the family. It can currently store binary
		531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		532
		533	=cut
		534
		535	our $DB;
		536
		537	sub db_init {
		538	unless ($DB) {
		539	$DB = BDB::db_create $DB_ENV;
		540
		541	cf::sync_job {
		542	eval {
		543	$DB->set_flags (BDB::CHKSUM);
		544
		545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		547	cf::cleanup "db_open(db): $!" if $!;
		548	};
		549	cf::cleanup "db_open(db): $@" if $@;
		550	};
		551	}
		552	}
		553
		554	sub db_get($$) {
		555	my $key = "$_[0]/$_[1]";
		556
		557	cf::sync_job {
		558	BDB::db_get $DB, undef, $key, my $data;
		559
		560	$! ? ()
		561	: $data
		562	}
		563	}
		564
		565	sub db_put($$$) {
		566	BDB::dbreq_pri 4;
		567	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		568	}
		569
		570	=item cf::cache $id => [$paths...], $processversion => $process
		571
		572	Generic caching function that returns the value of the resource $id,
		573	caching and regenerating as required.
		574
		575	This function can block.
		576
		577	=cut
		578
		579	sub cache {
		580	my ($id, $src, $processversion, $process) = @_;
		581
		582	my $meta =
		583	join "\x00",
		584	$processversion,
		585	map {
		586	aio_stat $_
		587	and Carp::croak "$_: $!";
		588
		589	($_, (stat _)[7,9])
		590	} @$src;
		591
		592	my $dbmeta = db_get cache => "$id/meta";
		593	if ($dbmeta ne $meta) {
		594	# changed, we may need to process
		595
		596	my @data;
		597	my $md5;
		598
		599	for (0 .. $#$src) {
		600	0 <= aio_load $src->[$_], $data[$_]
		601	or Carp::croak "$src->[$_]: $!";
		602	}
		603
		604	# if processing is expensive, check
		605	# checksum first
		606	if (1) {
		607	$md5 =
		608	join "\x00",
		609	$processversion,
		610	map {
		611	Coro::cede;
		612	($src->[$_], Digest::MD5::md5_hex $data[$_])
		613	} 0.. $#$src;
		614
		615
		616	my $dbmd5 = db_get cache => "$id/md5";
		617	if ($dbmd5 eq $md5) {
		618	db_put cache => "$id/meta", $meta;
		619
		620	return db_get cache => "$id/data";
		621	}
		622	}
		623
		624	my $t1 = Time::HiRes::time;
		625	my $data = $process->(\@data);
		626	my $t2 = Time::HiRes::time;
		627
		628	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		629
		630	db_put cache => "$id/data", $data;
		631	db_put cache => "$id/md5" , $md5;
		632	db_put cache => "$id/meta", $meta;
		633
		634	return $data;
		635	}
		636
		637	db_get cache => "$id/data"
		638	}
		639
		640	=item cf::datalog type => key => value, ...
		641
		642	Log a datalog packet of the given type with the given key-value pairs.
		643
		644	=cut
		645
		646	sub datalog($@) {
		647	my ($type, %kv) = @_;
		648	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	649	}
385		650
386	=back	651	=back
387		652
388	=cut	653	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	660	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	661	to it. All such attachable objects support the following methods.
397		662
398	In the following description, CLASS can be any of C<global>, C<object>	663	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	664	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	665	Crossfire TRT).
401		666
402	=over 4	667	=over 4
403		668
404	=item $attachable->attach ($attachment, key => $value...)	669	=item $attachable->attach ($attachment, key => $value...)
405		670
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	833	$registry = $CB_TYPE[$object_type] ||= [];
569		834
570	} elsif ($type eq "subtype") {	835	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	836	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	837	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	838	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		839
575	} elsif ($type eq "package") {	840	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	841	my $pkg = shift @arg;
577		842
578	while (my ($name, $id) = each %cb_id) {	843	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	872	_attach $registry, $klass, @attach;
608	}	873	}
609		874
610	$obj->{$name} = \%arg;	875	$obj->{$name} = \%arg;
611	} else {	876	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	877	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	878	}
614		879
615	$obj->{_attachment}{$name} = undef;	880	$obj->{_attachment}{$name} = undef;
616	}	881	}
617		882
…		…
619	if (ref $_[0]) {	884	if (ref $_[0]) {
620	_object_attach @_;	885	_object_attach @_;
621	} else {	886	} else {
622	_attach shift->_attach_registry, @_;	887	_attach shift->_attach_registry, @_;
623	}	888	}
		889	_recalc_want;
624	};	890	};
625		891
626	# all those should be optimised	892	# all those should be optimised
627	sub cf::attachable::detach {	893	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	894	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	897	delete $obj->{_attachment}{$name};
632	reattach ($obj);	898	reattach ($obj);
633	} else {	899	} else {
634	Carp::croak "cannot, currently, detach class attachments";	900	Carp::croak "cannot, currently, detach class attachments";
635	}	901	}
		902	_recalc_want;
636	};	903	};
637		904
638	sub cf::attachable::attached {	905	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	906	my ($obj, $name) = @_;
640		907
…		…
655	";	922	";
656	die if $@;	923	die if $@;
657	}	924	}
658		925
659	our $override;	926	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	927	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		928
662	sub override {	929	sub override {
663	$override = 1;	930	$override = 1;
664	@invoke_results = ();	931	@INVOKE_RESULTS = (@_);
665	}	932	}
666		933
667	sub do_invoke {	934	sub do_invoke {
668	my $event = shift;	935	my $event = shift;
669	my $callbacks = shift;	936	my $callbacks = shift;
670		937
671	@invoke_results = ();	938	@INVOKE_RESULTS = ();
672		939
673	local $override;	940	local $override;
674		941
675	for (@$callbacks) {	942	for (@$callbacks) {
676	eval { &{$_->[1]} };	943	eval { &{$_->[1]} };
…		…
693		960
694	Generate an object-specific event with the given arguments.	961	Generate an object-specific event with the given arguments.
695		962
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	963	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	964	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	965	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		966
700	=back	967	=back
701		968
702	=cut	969	=cut
703		970
704	#############################################################################	971	#############################################################################
705	# object support	972	# object support
		973	#
		974
		975	sub _can_merge {
		976	my ($ob1, $ob2) = @_;
		977
		978	local $Storable::canonical = 1;
		979	my $fob1 = Storable::freeze $ob1;
		980	my $fob2 = Storable::freeze $ob2;
		981
		982	$fob1 eq $fob2
		983	}
706		984
707	sub reattach {	985	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	986	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	987	my ($obj) = @_;
710		988
…		…
813	or return;	1091	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1093	}
816		1094
817	warn sprintf "loading %s (%d)\n",	1095	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1096	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1097	return ($data, $av);
820	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
821		1105
822	#############################################################################	1106	#############################################################################
823	# command handling &c	1107	# command handling &c
824		1108
825	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1123	}
840		1124
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1126
843	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
844		1132
845	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
846	called.	1134	called.
847		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
848	=cut	1147	=cut
849		1148
850	sub register_extcmd {	1149	sub register_extcmd {
851	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
852		1151
853	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
854	}	1159	}
855		1160
856	cf::player->attach (	1161	cf::player->attach (
857	on_command => sub {	1162	on_command => sub {
858	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1172	cf::override;
868	},	1173	},
869	on_extcmd => sub {	1174	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
871		1176
872	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1178
874	if (ref $msg) {	1179	if (ref $msg) {
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
876	if (my %reply = $cb->($pl, $msg)) {	1181	if (my %reply = $cb->($pl, $msg)) {
877	$pl->ext_reply ($msg->{msgid}, %reply);	1182	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
883		1188
884	cf::override;	1189	cf::override;
885	},	1190	},
886	);	1191	);
887		1192
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1193	sub load_extensions {
		1194	cf::sync_job {
		1195	my %todo;
		1196
923	for my $ext (<$LIBDIR/*.ext>) {	1197	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1198	next unless -r $path;
925	eval {	1199
926	load_extension $ext;	1200	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1201	my $base = $1;
		1202	my $pkg = $1;
		1203	$pkg =~ s/[^[:word:]]/_/g;
		1204	$pkg = "ext::$pkg";
		1205
		1206	open my $fh, "<:utf8", $path
		1207	or die "$path: $!";
		1208
		1209	my $source = do { local $/; <$fh> };
		1210
		1211	my %ext = (
		1212	path => $path,
		1213	base => $base,
		1214	pkg => $pkg,
		1215	);
		1216
		1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1219
		1220	$ext{source} =
		1221	"package $pkg; use strict; use utf8;\n"
		1222	. "#line 1 \"$path\"\n{\n"
		1223	. $source
		1224	. "\n};\n1";
		1225
		1226	$todo{$base} = \%ext;
		1227	}
		1228
		1229	my %done;
		1230	while (%todo) {
		1231	my $progress;
		1232
		1233	while (my ($k, $v) = each %todo) {
		1234	for (split /,\s*/, $v->{meta}{depends}) {
		1235	goto skip
		1236	unless exists $done{$_};
		1237	}
		1238
		1239	warn "... loading '$k' into '$v->{pkg}'\n";
		1240
		1241	unless (eval $v->{source}) {
		1242	my $msg = $@ ? "$v->{path}: $@\n"
		1243	: "$v->{base}: extension inactive.\n";
		1244
		1245	if (exists $v->{meta}{mandatory}) {
		1246	warn $msg;
		1247	warn "mandatory extension failed to load, exiting.\n";
		1248	exit 1;
		1249	}
		1250
		1251	warn $msg;
		1252	}
		1253
		1254	$done{$k} = delete $todo{$k};
		1255	push @EXTS, $v->{pkg};
		1256	$progress = 1;
927	1	1257	}
928	} or warn "$ext not loaded: $@";	1258
		1259	skip:
		1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1261	unless $progress;
		1262	}
929	}	1263	};
930	}	1264	}
931		1265
932	#############################################################################	1266	#############################################################################
933		1267
		1268	=back
		1269
934	=head2 CORE EXTENSIONS	1270	=head2 CORE EXTENSIONS
935		1271
936	Functions and methods that extend core crossfire objects.	1272	Functions and methods that extend core crossfire objects.
937		1273
938	=cut	1274	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1286	Returns the given player object, loading it if necessary (might block).
951		1287
952	=cut	1288	=cut
953		1289
954	sub playerdir($) {	1290	sub playerdir($) {
955	cf::localdir	1291	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1292	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1293	}
961		1294
962	sub path($) {	1295	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1296	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1297
965	(playerdir $login) . "/$login.pl"	1298	(playerdir $login) . "/playerdata"
966	}	1299	}
967		1300
968	sub find_active($) {	1301	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1302	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1303	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1316	my $login = $_[0];
984		1317
985	my $guard = cf::lock_acquire "user_find:$login";	1318	my $guard = cf::lock_acquire "user_find:$login";
986		1319
987	$cf::PLAYER{$_[0]} || do {	1320	$cf::PLAYER{$_[0]} || do {
		1321	# rename old playerfiles to new ones
		1322	#TODO: remove when no longer required
		1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1326	aio_unlink +(playerdir $login) . "/$login.pl";
		1327
988	my $pl = load_pl path $login	1328	my $pl = load_pl path $login
989	or return;	1329	or return;
990	$cf::PLAYER{$login} = $pl	1330	$cf::PLAYER{$login} = $pl
991	}	1331	}
992	}	1332	}
…		…
1076	while and may block, so not sync_job-capable, ever.	1416	while and may block, so not sync_job-capable, ever.
1077		1417
1078	=cut	1418	=cut
1079		1419
1080	sub list_logins {	1420	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1421	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1422	or return [];
1083		1423
1084	my @logins;	1424	my @logins;
1085		1425
1086	for my $login (@$dirs) {	1426	for my $login (@$dirs) {
…		…
1121	}	1461	}
1122		1462
1123	\@paths	1463	\@paths
1124	}	1464	}
1125		1465
		1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1467
		1468	Expand crossfire pod fragments into protocol xml.
		1469
		1470	=cut
		1471
		1472	sub expand_cfpod {
		1473	((my $self), (local $_)) = @_;
		1474
		1475	# escape & and <
		1476	s/&/&amp;/g;
		1477	s/(?<![BIUGH])</&lt;/g;
		1478
		1479	# this is buggy, it needs to properly take care of nested <'s
		1480
		1481	1 while
		1482	# replace B<>, I<>, U<> etc.
		1483	s/B<([^\>]*)>/<b>$1<\/b>/
		1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1486	# replace G<male|female> tags
		1487	|| s{G<([^>|]*)\|([^>]*)>}{
		1488	$self->gender ? $2 : $1
		1489	}ge
		1490	# replace H<hint text>
		1491	|| s{H<([^\>]*)>}
		1492	{
		1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1495	"")
		1496	[$self->{hintmode}]
		1497	}ge;
		1498
		1499	# create single paragraphs (very hackish)
		1500	s/(?<=\S)\n(?=\w)/ /g;
		1501
		1502	# compress some whitespace
		1503	s/\s+\n/\n/g; # ws line-ends
		1504	s/\n\n+/\n/g; # double lines
		1505	s/^\n+//; # beginning lines
		1506	s/\n+$//; # ending lines
		1507
		1508	$_
		1509	}
		1510
		1511	sub hintmode {
		1512	$_[0]{hintmode} = $_[1] if @_ > 1;
		1513	$_[0]{hintmode}
		1514	}
		1515
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1516	=item $player->ext_reply ($msgid, %msg)
1127		1517
1128	Sends an ext reply to the player.	1518	Sends an ext reply to the player.
1129		1519
1130	=cut	1520	=cut
1131		1521
1132	sub ext_reply($$$%) {	1522	sub ext_reply($$%) {
1133	my ($self, $id, %msg) = @_;	1523	my ($self, $id, %msg) = @_;
1134		1524
1135	$msg{msgid} = $id;	1525	$msg{msgid} = $id;
1136		1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1527	}
1139		1528
1140	package cf;	1529	=item $player->ext_event ($type, %msg)
		1530
		1531	Sends an ext event to the client.
		1532
		1533	=cut
		1534
		1535	sub ext_event($$%) {
		1536	my ($self, $type, %msg) = @_;
		1537
		1538	$self->ns->ext_event ($type, %msg);
		1539	}
		1540
		1541	=head3 cf::region
		1542
		1543	=over 4
		1544
		1545	=cut
		1546
		1547	package cf::region;
		1548
		1549	=item cf::region::find_by_path $path
		1550
		1551	Tries to decuce the likely region for a map knowing only its path.
		1552
		1553	=cut
		1554
		1555	sub find_by_path($) {
		1556	my ($path) = @_;
		1557
		1558	my ($match, $specificity);
		1559
		1560	for my $region (list) {
		1561	if ($region->{match} && $path =~ $region->{match}) {
		1562	($match, $specificity) = ($region, $region->specificity)
		1563	if $region->specificity > $specificity;
		1564	}
		1565	}
		1566
		1567	$match
		1568	}
1141		1569
1142	=back	1570	=back
1143
1144		1571
1145	=head3 cf::map	1572	=head3 cf::map
1146		1573
1147	=over 4	1574	=over 4
1148		1575
…		…
1203	my ($self, $merge) = @_;	1630	my ($self, $merge) = @_;
1204		1631
1205	# we have to keep some variables in memory intact	1632	# we have to keep some variables in memory intact
1206	local $self->{path};	1633	local $self->{path};
1207	local $self->{load_path};	1634	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1635
1211	$self->SUPER::thawer_merge ($merge);	1636	$self->SUPER::thawer_merge ($merge);
1212	}	1637	}
1213		1638
1214	sub normalise {	1639	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1686	$self->init; # pass $1 etc.
1262	return $self;	1687	return $self;
1263	}	1688	}
1264	}	1689	}
1265		1690
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1691	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1692	()
1268	}	1693	}
1269		1694
1270	sub init {	1695	sub init {
1271	my ($self) = @_;	1696	my ($self) = @_;
…		…
1286		1711
1287	# the original (read-only) location	1712	# the original (read-only) location
1288	sub load_path {	1713	sub load_path {
1289	my ($self) = @_;	1714	my ($self) = @_;
1290		1715
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1716	"$MAPDIR/$self->{path}.map"
1292	}	1717	}
1293		1718
1294	# the temporary/swap location	1719	# the temporary/swap location
1295	sub save_path {	1720	sub save_path {
1296	my ($self) = @_;	1721	my ($self) = @_;
1297		1722
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1724	"$TMPDIR/$path.map"
1300	}	1725	}
1301		1726
1302	# the unique path, undef == no special unique path	1727	# the unique path, undef == no special unique path
1303	sub uniq_path {	1728	sub uniq_path {
1304	my ($self) = @_;	1729	my ($self) = @_;
1305		1730
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1732	"$UNIQUEDIR/$path"
1308	}	1733	}
1309		1734
1310	# and all this just because we cannot iterate over	1735	# and all this just because we cannot iterate over
1311	# all maps in C++...	1736	# all maps in C++...
1312	sub change_all_map_light {	1737	sub change_all_map_light {
1313	my ($change) = @_;	1738	my ($change) = @_;
1314		1739
1315	$_->change_map_light ($change)	1740	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1741	for grep $_->outdoor, values %cf::MAP;
		1742	}
		1743
		1744	sub decay_objects {
		1745	my ($self) = @_;
		1746
		1747	return if $self->{deny_reset};
		1748
		1749	$self->do_decay_objects;
1317	}	1750	}
1318		1751
1319	sub unlink_save {	1752	sub unlink_save {
1320	my ($self) = @_;	1753	my ($self) = @_;
1321		1754
…		…
1379	$self->load_header_orig	1812	$self->load_header_orig
1380	or return;	1813	or return;
1381	$self->prepare_orig;	1814	$self->prepare_orig;
1382	}	1815	}
1383		1816
		1817	$self->{deny_reset} = 1
		1818	if $self->no_reset;
		1819
		1820	$self->default_region (cf::region::find_by_path $self->{path})
		1821	unless $self->default_region;
		1822
1384	1	1823	1
1385	}	1824	}
1386		1825
1387	sub find;	1826	sub find;
1388	sub find {	1827	sub find {
…		…
1400	$map->{last_save} = $cf::RUNTIME;	1839	$map->{last_save} = $cf::RUNTIME;
1401		1840
1402	$map->load_header	1841	$map->load_header
1403	or return;	1842	or return;
1404		1843
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	1845	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	1846	#$cf::WAIT_FOR_TICK->wait;
1408	$map->reset;	1847	$map->reset;
1409	undef $guard;	1848	undef $guard;
1410	return find $path;	1849	return find $path;
…		…
1421	my ($self) = @_;	1860	my ($self) = @_;
1422		1861
1423	local $self->{deny_reset} = 1; # loading can take a long time	1862	local $self->{deny_reset} = 1; # loading can take a long time
1424		1863
1425	my $path = $self->{path};	1864	my $path = $self->{path};
		1865
		1866	{
1426	my $guard = cf::lock_acquire "map_load:$path";	1867	my $guard = cf::lock_acquire "map_load:$path";
1427		1868
1428	return if $self->in_memory != cf::MAP_SWAPPED;	1869	return if $self->in_memory != cf::MAP_SWAPPED;
1429		1870
1430	$self->in_memory (cf::MAP_LOADING);	1871	$self->in_memory (cf::MAP_LOADING);
1431		1872
1432	$self->alloc;	1873	$self->alloc;
1433		1874
1434	$self->pre_load;	1875	$self->pre_load;
1435
1436	$self->_load_objects ($self->{load_path}, 1)
1437	or return;
1438
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1440	if delete $self->{load_original};
1441
1442	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {
1445	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);
1447	}
1448	}
1449
1450	Coro::cede;
1451
1452	# now do the right thing for maps
1453	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;	1876	Coro::cede;
1460	$self->set_darkness_map;	1877
		1878	$self->_load_objects ($self->{load_path}, 1)
		1879	or return;
		1880
		1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1882	if delete $self->{load_original};
		1883
		1884	if (my $uniq = $self->uniq_path) {
		1885	utf8::encode $uniq;
		1886	if (aio_open $uniq, O_RDONLY, 0) {
		1887	$self->clear_unique_items;
		1888	$self->_load_objects ($uniq, 0);
		1889	}
		1890	}
		1891
		1892	Coro::cede;
		1893	# now do the right thing for maps
		1894	$self->link_multipart_objects;
1461	$self->difficulty ($self->estimate_difficulty)	1895	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	1896	unless $self->difficulty;
1463	Coro::cede;	1897	Coro::cede;
		1898
		1899	unless ($self->{deny_activate}) {
		1900	$self->decay_objects;
		1901	$self->fix_auto_apply;
		1902	$self->update_buttons;
		1903	Coro::cede;
		1904	$self->set_darkness_map;
		1905	Coro::cede;
1464	$self->activate;	1906	$self->activate;
		1907	}
		1908
		1909	$self->in_memory (cf::MAP_IN_MEMORY);
1465	}	1910	}
1466		1911
1467	$self->post_load;	1912	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	1913	}
1471		1914
1472	sub customise_for {	1915	sub customise_for {
1473	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1474		1917
1475	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	1919	if $self->per_player;
		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
1477		1923
1478	$self	1924	$self
1479	}	1925	}
1480		1926
1481	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
…		…
1528		1974
1529	undef $MAP_PREFETCH{$path};	1975	undef $MAP_PREFETCH{$path};
1530	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1531	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	1978	for my $path (keys %MAP_PREFETCH) {
1533	my $map = find $path	1979	if (my $map = find $path) {
1534	or next;
1535	$map->load;	1980	$map->load;
		1981	}
1536		1982
1537	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$path};
1538	}	1984	}
1539	}	1985	}
1540	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
…		…
1592		2038
1593	sub reset_at {	2039	sub reset_at {
1594	my ($self) = @_;	2040	my ($self) = @_;
1595		2041
1596	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1599		2044
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2047
…		…
1613	my ($self) = @_;	2058	my ($self) = @_;
1614		2059
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2061
1617	return if $self->players;	2062	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2063
1620	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1621		2065
1622	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1623		2067
1624	# need to save uniques path	2068	# need to save uniques path
1625	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1657	$cf::MAP{$self->path} = $self;	2101	$cf::MAP{$self->path} = $self;
1658		2102
1659	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1660	}	2104	}
1661		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
1662	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1663		2143
1664	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2145	instantiated unique items. May block.
1666		2146
1667	=cut	2147	=cut
1668		2148
1669	sub unique_maps() {	2149	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1671	or return;	2151	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2152	utf8::decode $_;
1677	next if /\.pst$/;	2153	/\.map$/
1678	next unless /^$PATH_SEP/o;	2154	? normalise $_
1679		2155	: ()
1680	push @paths, cf::map::normalise $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2157	]
1682
1683	\@paths
1684	}	2158	}
1685		2159
1686	package cf;	2160	package cf;
1687		2161
1688	=back	2162	=back
…		…
1734		2208
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2210
1737	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1739	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $diag = $pl->{npc_dialog};
		2219	$diag->{pl}->ext_reply (
		2220	$diag->{id},
		2221	msgtype => "reply",
		2222	msg => $diag->{pl}->expand_cfpod ($msg),
		2223	add_topics => []
		2224	);
		2225
		2226	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1742	}	2230	}
1743	}	2231	}
1744		2232
1745	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1746		2234
…		…
1794	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1795		2283
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2285
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1800		2288
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1802	}	2290	}
1803		2291
1804	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1806		2296
1807	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1808		2298
1809	unless ($map) {	2299	unless ($map) {
1810	# restore original map position	2300	# restore original map position
…		…
1833		2323
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1836	}	2326	}
1837		2327
1838	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1839	on_logout => sub {
1840	my ($pl) = @_;
1841		2329
1842	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1843	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1844	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1846	};	2334	be called at the end of this process.
1847	}
1848	},
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2335
1852	# try to abort aborted map switching on player login :)
1853	# should happen only on crashes
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869
1870	=item $player_object->goto ($path, $x, $y)
1871
1872	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1873		2339
1874	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2345
1877	$self->enter_link;	2346	$self->enter_link;
1878		2347
1879	(async {	2348	(async {
1880	my $map = eval {	2349	my $map = eval {
1881	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
		2354	$map = $check->($map) if $check && $map;
		2355	} else {
		2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
		2358
1883	$map	2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2365	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1888	})->prio (1);	2373	})->prio (1);
1889	}	2374	}
1890		2375
1891	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1892		2377
…		…
1931		2416
1932	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1933		2418
1934	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1935	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1937		2422
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2425	undef $fh;
1941	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
1950		2435
1951	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1952		2437
1953	if ($exit->slaying eq "/!") {	2438	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job	2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
1955	cf::sync_job { prepare_random_map $exit };	2442	cf::sync_job { prepare_random_map $exit };
1956	}	2443	}
1957		2444
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
1961		2448
1962	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1963		2454
1964	(async {	2455	(async {
1965	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1966	unless (eval {	2457	unless (eval {
1967	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
1968		2459
1969	1;	2460	1;
1970	}) {	2461	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1972	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2466
1976	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1977	$self->leave_link;	2468	$self->leave_link;
1978	}	2469	}
1979	})->prio (1);	2470	})->prio (1);
…		…
1992		2483
1993	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1995		2486
1996	utf8::encode $text;	2487	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2489	}
1999		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= ~cf::NDI_UNIQUE; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_event (channel_info => %$channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2521	} else {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	if ($color >= 0) {
		2533	if (0 && $msg =~ /\[/) {
		2534	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2535	} else {
		2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2537	$self->send_packet ("drawinfo $color $msg")
		2538	}
		2539	}
		2540	}
		2541	}
		2542
		2543	=item $client->ext_event ($type, %msg)
		2544
		2545	Sends an ext event to the client.
		2546
		2547	=cut
		2548
		2549	sub cf::client::ext_event($$%) {
		2550	my ($self, $type, %msg) = @_;
		2551
		2552	return unless $self->extcmd;
		2553
		2554	$msg{msgtype} = "event_$type";
		2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2556	}
2000		2557
2001	=item $success = $client->query ($flags, "text", \&cb)	2558	=item $success = $client->query ($flags, "text", \&cb)
2002		2559
2003	Queues a query to the client, calling the given callback with	2560	Queues a query to the client, calling the given callback with
2004	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2561	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2562	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		2563
2007	Queries can fail, so check the return code. Or don't, as queries will become	2564	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	2565	become reliable at some point in the future.
2009		2566
2010	=cut	2567	=cut
2011		2568
2012	sub cf::client::query {	2569	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	2570	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	2578	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2579	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		2580
2024	$self->send_packet ($self->{query_queue}[0][0])	2581	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	2582	if @{ $self->{query_queue} } == 1;
		2583
		2584	1
2026	}	2585	}
2027		2586
2028	cf::client->attach (	2587	cf::client->attach (
		2588	on_connect => sub {
		2589	my ($ns) = @_;
		2590
		2591	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2592	},
2029	on_reply => sub {	2593	on_reply => sub {
2030	my ($ns, $msg) = @_;	2594	my ($ns, $msg) = @_;
2031		2595
2032	# this weird shuffling is so that direct followup queries	2596	# this weird shuffling is so that direct followup queries
2033	# get handled first	2597	# get handled first
…		…
2045	} else {	2609	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2610	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	2611	}
2048	}	2612	}
2049	},	2613	},
		2614	on_exticmd => sub {
		2615	my ($ns, $buf) = @_;
		2616
		2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2618
		2619	if (ref $msg) {
		2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2621	if (my %reply = $cb->($ns, $msg)) {
		2622	$reply{msgid} = $msg->{msgid};
		2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2624	}
		2625	}
		2626	} else {
		2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2628	}
		2629
		2630	cf::override;
		2631	},
2050	);	2632	);
2051		2633
2052	=item $client->async (\&cb)	2634	=item $client->async (\&cb)
2053		2635
2054	Create a new coroutine, running the specified callback. The coroutine will	2636	Create a new coroutine, running the specified callback. The coroutine will
…		…
2101		2683
2102	# here we export the classes and methods available to script code	2684	# here we export the classes and methods available to script code
2103		2685
2104	=pod	2686	=pod
2105		2687
2106	The following fucntions and emthods are available within a safe environment:	2688	The following functions and methods are available within a safe environment:
2107		2689
2108	cf::object contr pay_amount pay_player map	2690	cf::object
		2691	contr pay_amount pay_player map x y force_find force_add
		2692	insert remove
		2693
2109	cf::object::player player	2694	cf::object::player
2110	cf::player peaceful	2695	player
2111	cf::map trigger	2696
		2697	cf::player
		2698	peaceful
		2699
		2700	cf::map
		2701	trigger
2112		2702
2113	=cut	2703	=cut
2114		2704
2115	for (	2705	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	2706	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2707	insert remove)],
2117	["cf::object::player" => qw(player)],	2708	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	2709	["cf::player" => qw(peaceful)],
2119	["cf::map" => qw(trigger)],	2710	["cf::map" => qw(trigger)],
2120	) {	2711	) {
2121	no strict 'refs';	2712	no strict 'refs';
…		…
2192	=back	2783	=back
2193		2784
2194	=cut	2785	=cut
2195		2786
2196	#############################################################################	2787	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267
2268	#############################################################################
2269	# the server's init and main functions	2788	# the server's init and main functions
2270		2789
2271	sub init_resources {	2790	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2791	my ($path) = @_;
		2792
		2793	warn "loading facedata from $path\n";
		2794
		2795	my $facedata;
		2796	0 < aio_load $path, $facedata
		2797	or die "$path: $!";
		2798
		2799	$facedata = Coro::Storable::thaw $facedata;
		2800
		2801	$facedata->{version} == 2
		2802	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2803
		2804	{
		2805	my $faces = $facedata->{faceinfo};
		2806
		2807	while (my ($face, $info) = each %$faces) {
		2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2809	cf::face::set_visibility $idx, $info->{visibility};
		2810	cf::face::set_magicmap $idx, $info->{magicmap};
		2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2813
		2814	cf::cede_to_tick;
		2815	}
		2816
		2817	while (my ($face, $info) = each %$faces) {
		2818	next unless $info->{smooth};
		2819	my $idx = cf::face::find $face
		2820	or next;
		2821	if (my $smooth = cf::face::find $info->{smooth}) {
		2822	cf::face::set_smooth $idx, $smooth;
		2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2824	} else {
		2825	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2826	}
		2827
		2828	cf::cede_to_tick;
		2829	}
		2830	}
		2831
		2832	{
		2833	my $anims = $facedata->{animinfo};
		2834
		2835	while (my ($anim, $info) = each %$anims) {
		2836	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2837	cf::cede_to_tick;
		2838	}
		2839
		2840	cf::anim::invalidate_all; # d'oh
		2841	}
		2842
		2843	{
		2844	# TODO: for gcfclient pleasure, we should give resources
		2845	# that gcfclient doesn't grok a >10000 face index.
		2846	my $res = $facedata->{resource};
		2847	my $enc = JSON::XS->new->utf8->canonical;
		2848
		2849	while (my ($name, $info) = each %$res) {
		2850	my $meta = $enc->encode ({
		2851	name => $name,
		2852	type => $info->{type},
		2853	copyright => $info->{copyright}, #TODO#
		2854	});
		2855
		2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2857
		2858	if ($name =~ /\.jpg$/) {
		2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2861	} else {
		2862	my $data = pack "(w/a*)*", $meta, $info->{data};
		2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2864
		2865	cf::face::set_type $idx, 1;
		2866	cf::face::set_data $idx, 0, $data, $chk;
		2867	}
		2868
		2869	cf::cede_to_tick;
		2870	}
		2871	}
		2872
		2873	1
		2874	}
		2875
		2876	sub reload_regions {
		2877	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	2878	or die "unable to load regions file\n";
		2879
		2880	for (cf::region::list) {
		2881	$_->{match} = qr/$_->{match}/
		2882	if exists $_->{match};
		2883	}
		2884	}
		2885
		2886	sub reload_facedata {
		2887	load_facedata "$DATADIR/facedata"
		2888	or die "unable to load facedata\n";
		2889	}
		2890
		2891	sub reload_archetypes {
		2892	load_resource_file "$DATADIR/archetypes"
		2893	or die "unable to load archetypes\n";
		2894	#d# NEED to laod twice to resolve forward references
		2895	# this really needs to be done in an extra post-pass
		2896	# (which needs to be synchronous, so solve it differently)
		2897	load_resource_file "$DATADIR/archetypes"
		2898	or die "unable to load archetypes\n";
		2899	}
		2900
		2901	sub reload_treasures {
		2902	load_resource_file "$DATADIR/treasures"
		2903	or die "unable to load treasurelists\n";
		2904	}
		2905
		2906	sub reload_resources {
		2907	warn "reloading resource files...\n";
		2908
		2909	reload_regions;
		2910	reload_facedata;
		2911	#reload_archetypes;#d#
		2912	reload_archetypes;
		2913	reload_treasures;
		2914
		2915	warn "finished reloading resource files\n";
		2916	}
		2917
		2918	sub init {
		2919	reload_resources;
2274	}	2920	}
2275		2921
2276	sub cfg_load {	2922	sub cfg_load {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	2923	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	2924	or return;
2279		2925
2280	local $/;	2926	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	2927	*CFG = YAML::Syck::Load <$fh>;
2282		2928
…		…
2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2936	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2291	and die "WARNING: m(un)lockall failed: $!\n";	2937	and die "WARNING: m(un)lockall failed: $!\n";
2292	};	2938	};
2293	warn $@ if $@;	2939	warn $@ if $@;
2294	}	2940	}
2295	}
2296
2297	sub init {
2298	init_resources;
2299	}	2941	}
2300		2942
2301	sub main {	2943	sub main {
2302	# we must not ever block the main coroutine	2944	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	2945	local $Coro::idle = sub {
…		…
2331	},	2973	},
2332	);	2974	);
2333	}	2975	}
2334	}	2976	}
2335		2977
		2978	sub write_runtime {
		2979	my $runtime = "$LOCALDIR/runtime";
		2980
		2981	# first touch the runtime file to show we are still running:
		2982	# the fsync below can take a very very long time.
		2983
		2984	IO::AIO::aio_utime $runtime, undef, undef;
		2985
		2986	my $guard = cf::lock_acquire "write_runtime";
		2987
		2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2989	or return;
		2990
		2991	my $value = $cf::RUNTIME + 90 + 10;
		2992	# 10 is the runtime save interval, for a monotonic clock
		2993	# 60 allows for the watchdog to kill the server.
		2994
		2995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2996	and return;
		2997
		2998	# always fsync - this file is important
		2999	aio_fsync $fh
		3000	and return;
		3001
		3002	# touch it again to show we are up-to-date
		3003	aio_utime $fh, undef, undef;
		3004
		3005	close $fh
		3006	or return;
		3007
		3008	aio_rename "$runtime~", $runtime
		3009	and return;
		3010
		3011	warn "runtime file written.\n";
		3012
		3013	1
		3014	}
		3015
2336	sub emergency_save() {	3016	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3017	my $freeze_guard = cf::freeze_mainloop;
2338		3018
2339	warn "enter emergency perl save\n";	3019	warn "enter emergency perl save\n";
2340		3020
…		…
2371		3051
2372	warn Carp::longmess "post_cleanup backtrace"	3052	warn Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3053	if $make_core;
2374	}	3054	}
2375		3055
2376	sub reload() {	3056	sub do_reload_perl() {
2377	# can/must only be called in main	3057	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3058	if ($Coro::current != $Coro::main) {
2379	warn "can only reload from main coroutine";	3059	warn "can only reload from main coroutine";
2380	return;	3060	return;
2381	}	3061	}
…		…
2406	Coro::cede;	3086	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;	3087	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";	3088	warn "iterate...";
2409	}	3089	}
2410		3090
		3091	++$RELOAD;
		3092
2411	warn "cancelling all extension coros";	3093	warn "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3094	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3095	%EXT_CORO = ();
2414		3096
2415	warn "removing commands";	3097	warn "removing commands";
2416	%COMMAND = ();	3098	%COMMAND = ();
2417		3099
2418	warn "removing ext commands";	3100	warn "removing ext/exti commands";
2419	%EXTCMD = ();	3101	%EXTCMD = ();
		3102	%EXTICMD = ();
2420		3103
2421	warn "unloading/nuking all extensions";	3104	warn "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3105	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3106	warn "... unloading $pkg";
2424		3107
…		…
2454	Symbol::delete_package "safe::$_"	3137	Symbol::delete_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3138	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3139
2457	warn "unloading cf.pm \"a bit\"";	3140	warn "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3141	delete $INC{"cf.pm"};
		3142	delete $INC{"cf/pod.pm"};
2459		3143
2460	# don't, removes xs symbols, too,	3144	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3145	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3146	#Symbol::delete_package __PACKAGE__;
2463		3147
…		…
2472		3156
2473	warn "loading extensions";	3157	warn "loading extensions";
2474	cf::load_extensions;	3158	cf::load_extensions;
2475		3159
2476	warn "reattaching attachments to objects/players";	3160	warn "reattaching attachments to objects/players";
2477	_global_reattach;	3161	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	3162	warn "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3163	reattach $_ for values %MAP;
2480		3164	warn "reattaching attachments to players";
2481	warn "loading reloadable resources";	3165	reattach $_ for values %PLAYER;
2482	init_resources;
2483		3166
2484	warn "leaving sync_job";	3167	warn "leaving sync_job";
2485		3168
2486	1	3169	1
2487	} or do {	3170	} or do {
…		…
2493	warn "reloaded";	3176	warn "reloaded";
2494	};	3177	};
2495		3178
2496	our $RELOAD_WATCHER; # used only during reload	3179	our $RELOAD_WATCHER; # used only during reload
2497		3180
		3181	sub reload_perl() {
		3182	# doing reload synchronously and two reloads happen back-to-back,
		3183	# coro crashes during coro_state_free->destroy here.
		3184
		3185	$RELOAD_WATCHER ||= Event->timer (
		3186	reentrant => 0,
		3187	after => 0,
		3188	data => WF_AUTOCANCEL,
		3189	cb => sub {
		3190	do_reload_perl;
		3191	undef $RELOAD_WATCHER;
		3192	},
		3193	);
		3194	}
		3195
2498	register_command "reload" => sub {	3196	register_command "reload" => sub {
2499	my ($who, $arg) = @_;	3197	my ($who, $arg) = @_;
2500		3198
2501	if ($who->flag (FLAG_WIZ)) {	3199	if ($who->flag (FLAG_WIZ)) {
2502	$who->message ("reloading server.");	3200	$who->message ("reloading server.");
2503		3201	async { reload_perl };
2504	# doing reload synchronously and two reloads happen back-to-back,
2505	# coro crashes during coro_state_free->destroy here.
2506
2507	$RELOAD_WATCHER ||= Event->timer (
2508	reentrant => 0,
2509	after => 0,
2510	data => WF_AUTOCANCEL,
2511	cb => sub {
2512	reload;
2513	undef $RELOAD_WATCHER;
2514	},
2515	);
2516	}	3202	}
2517	};	3203	};
2518		3204
2519	unshift @INC, $LIBDIR;	3205	unshift @INC, $LIBDIR;
2520		3206
2521	my $bug_warning = 0;	3207	my $bug_warning = 0;
2522		3208
		3209	our @WAIT_FOR_TICK;
		3210	our @WAIT_FOR_TICK_BEGIN;
		3211
		3212	sub wait_for_tick {
		3213	return unless $TICK_WATCHER->is_active;
		3214	return if $Coro::current == $Coro::main;
		3215
		3216	my $signal = new Coro::Signal;
		3217	push @WAIT_FOR_TICK, $signal;
		3218	$signal->wait;
		3219	}
		3220
		3221	sub wait_for_tick_begin {
		3222	return unless $TICK_WATCHER->is_active;
		3223	return if $Coro::current == $Coro::main;
		3224
		3225	my $signal = new Coro::Signal;
		3226	push @WAIT_FOR_TICK_BEGIN, $signal;
		3227	$signal->wait;
		3228	}
		3229
		3230	my $min = 1e6;#d#
		3231	my $avg = 10;
2523	$TICK_WATCHER = Event->timer (	3232	$TICK_WATCHER = Event->timer (
2524	reentrant => 0,	3233	reentrant => 0,
2525	parked => 1,	3234	parked => 1,
2526	prio => 0,	3235	prio => 0,
2527	at => $NEXT_TICK || $TICK,	3236	at => $NEXT_TICK || $TICK,
…		…
2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2532	unless ++$bug_warning > 10;	3241	unless ++$bug_warning > 10;
2533	return;	3242	return;
2534	}	3243	}
2535		3244
2536	$NOW = Event::time;	3245	$NOW = $tick_start = Event::time;
2537		3246
2538	cf::server_tick; # one server iteration	3247	cf::server_tick; # one server iteration
		3248
		3249	0 && sync_job {#d#
		3250	for(1..10) {
		3251	my $t = Event::time;
		3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3253	or die;
		3254
		3255	$map->width (50);
		3256	$map->height (50);
		3257	$map->alloc;
		3258	$map->_load_objects ("/tmp/x.map", 1);
		3259	my $t = Event::time - $t;
		3260
		3261	#next unless $t < 0.0013;#d#
		3262	if ($t < $min) {
		3263	$min = $t;
		3264	}
		3265	$avg = $avg * 0.99 + $t * 0.01;
		3266	}
		3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3268	exit 0;
		3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3270	};
		3271
2539	$RUNTIME += $TICK;	3272	$RUNTIME += $TICK;
2540	$NEXT_TICK += $TICK;	3273	$NEXT_TICK += $TICK;
2541		3274
2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2543	$NEXT_RUNTIME_WRITE = $NOW + 10;	3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2545	write_runtime	3278	write_runtime
2546	or warn "ERROR: unable to write runtime file: $!";	3279	or warn "ERROR: unable to write runtime file: $!";
2547	};	3280	};
2548	}	3281	}
2549		3282
2550	$WAIT_FOR_TICK->broadcast;
2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2552
2553	# my $AFTER = Event::time;	3283	# my $AFTER = Event::time;
2554	# warn $AFTER - $NOW;#d#	3284	# warn $AFTER - $NOW;#d#
2555		3285
		3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3287	$sig->send;
		3288	}
		3289	while (my $sig = shift @WAIT_FOR_TICK) {
		3290	$sig->send;
		3291	}
		3292
		3293	$NOW = Event::time;
		3294
2556	# if we are delayed by four ticks or more, skip them all	3295	# if we are delayed by four ticks or more, skip them all
2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2558		3297
2559	$TICK_WATCHER->at ($NEXT_TICK);	3298	$TICK_WATCHER->at ($NEXT_TICK);
2560	$TICK_WATCHER->start;	3299	$TICK_WATCHER->start;
		3300
		3301	$LOAD = ($NOW - $tick_start) / $TICK;
		3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3303
		3304	_post_tick;
		3305
		3306
2561	},	3307	},
2562	);	3308	);
2563		3309
2564	{	3310	{
2565	BDB::max_poll_time $TICK * 0.1;	3311	BDB::max_poll_time $TICK * 0.1;
…		…
2593		3339
2594	cf::sync_job {	3340	cf::sync_job {
2595	eval {	3341	eval {
2596	BDB::db_env_open	3342	BDB::db_env_open
2597	$DB_ENV,	3343	$DB_ENV,
2598	$BDB_ENV_DIR,	3344	$BDBDIR,
2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2601	0666;	3347	0666;
2602		3348
2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2604		3350
2605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2606	$DB_ENV->set_lk_detect;	3352	$DB_ENV->set_lk_detect;
2607	};	3353	};
2608		3354
…		…
2624	prio => 6,	3370	prio => 6,
2625	cb => \&IO::AIO::poll_cb,	3371	cb => \&IO::AIO::poll_cb,
2626	);	3372	);
2627	}	3373	}
2628		3374
		3375	my $_log_backtrace;
		3376
		3377	sub _log_backtrace {
		3378	my ($msg, @addr) = @_;
		3379
		3380	$msg =~ s/\n//;
		3381
		3382	# limit the # of concurrent backtraces
		3383	if ($_log_backtrace < 2) {
		3384	++$_log_backtrace;
		3385	async {
		3386	my @bt = fork_call {
		3387	@addr = map { sprintf "%x", $_ } @addr;
		3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3389	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3390	or die "addr2line: $!";
		3391
		3392	my @funcs;
		3393	my @res = <$fh>;
		3394	chomp for @res;
		3395	while (@res) {
		3396	my ($func, $line) = splice @res, 0, 2, ();
		3397	push @funcs, "[$func] $line";
		3398	}
		3399
		3400	@funcs
		3401	};
		3402
		3403	LOG llevInfo, "[ABT] $msg\n";
		3404	LOG llevInfo, "[ABT] $_\n" for @bt;
		3405	--$_log_backtrace;
		3406	};
		3407	} else {
		3408	LOG llevInfo, "[ABT] $msg\n";
		3409	LOG llevInfo, "[ABT] [suppressed]\n";
		3410	}
		3411	}
		3412
		3413	# load additional modules
		3414	use cf::pod;
		3415
2629	END { cf::emergency_save }	3416	END { cf::emergency_save }
2630		3417
2631	1	3418	1
2632		3419

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